Patent US3028053A successfully refreshed from Google Patents.
US3028053A
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US
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Vibrating spreader feeders for granular or particulate materials
Assignee: Simon Corrugating Machinery Ltd
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Filing: 1959-02-06
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Granted: 1962-04-03
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Expires: 1979-02-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas J A Brown
- 👤 Spencer Frederick
- 👤 Grady Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:14
CPC Classifications
B; B65; B65G; B65G27/00; B65G2812/00; B65G2812/03; B65G2812/0384; B65G2812/0388
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US590675A
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US1879205A
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US2626042A
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US2678147A
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US2686081A
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US2907498A
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US2869764A
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US2850148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |